Answer:
X=21.21
Step-by-step explanation:
Cos(45)=15\x
0.707=15\x
15\0.707 =x
X= 21.21
135.5
192-56.5= 135.5
8 inches
Volume of a cube: side length cubed
x^3=512
Taking the cubic root of both sides, we get
x=8
